import java.util.Arrays;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86186
 * Date: 2023-09-27
 * Time: 16:27
 */
public class Test {
    public static void main(String[] args) {
        /*String num = "-124234";
        int n = Integer.parseInt(num);
        System.out.println(n);*/
//        int a = 4334234;
//        String ret = Integer.toBinaryString(a);
//        System.out.println(ret);
        int num = 30;
        int tmp = num % 4;
        char ch = (char)('A' + (tmp - 10));
        System.out.println(ch);

        int[] arr = {1,2,3,4,5};
        String ret = Arrays.toString(arr);
        System.out.println(ret);
    }
}
